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Finding the Fourth Proportional to 250,326.94, 375,737.12 and 178,359.80

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Solution

The fourth proportional to 250,326.94, 375,737.12 and 178,359.80 is: 267,715.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,326.94 : 375,737.12 = 178,359.80 : x
  2. Step 2: Convert to fraction form
    250,326.94/375,737.12 = 178,359.80/x
  3. Step 3: Cross multiply
    250,326.94x = 375,737.12 × 178,359.80
  4. Step 4: Simplify right side
    250,326.94x = 67,016,397,575.78
  5. Step 5: Solve for x
    x = 67,016,397,575.78/250,326.94
  6. Step 6: Final answer
    x = 267,715.48

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.